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import numpy as npfrom PIL import Imageimport cv2 as cvimport os# 压缩并替换文件夹下的所有图片#遍历文件夹 def iter_files(rootDir): #遍历根目录 for root,dirs,files in os.walk(rootDir): for file in fi...

https://www.jb51.net/article/142263.htm使用python3+opencv3.3.1环境将视频流保存为本地视频文件，具体内容如下1、利用opencv中的VideoCapture类获取视频流的链接，通过cv2的方法得到该视频流的帧数和每帧大小。2、使用VideoWriter类进行视频编码3、通过VideoCapture的read()方法进行视频流解...

https://blog.youkuaiyun.com/dta0502/article/details/84197161Traceback (most recent call last): File "D:\Python\Python36-32\lib\site-packages\selenium-3.4.3-py3.6.egg\selenium\webdriver\common\service.p...

import cv2# from matplotlib import pyplot as plt# 通过cv2中的类获取视频流操作对象capcap = cv2.VideoCapture(r'http://ivi.bupt.edu.cn/hls/cctv1.m3u8')# 调用cv2方法获取cap的视频帧（帧：每秒多少张图片）fps = cap.get(cv2.CAP_PROP_...

import refile = open(r"E:\lc\case\计算行数\ABC\resources.txt","r",encoding='utf-8') #打开...lines = file.read() regex = re.compile(r'(\d)( unimportant)')matches = regex.findall(lines)s = 0for num in ...